import React, {Component} from 'react'
import PubSub from 'pubsub-js'
// import axios from 'axios'

export default class Search extends Component {

    search = async () => {
        //获取用户的输入(连续解构赋值+重命名)
        const {keyWordElement: {value: keyWord}} = this
        //发送请求前通知List更新状态
        PubSub.publish('atguigu', {isFirst: false, isLoading: true})
        //#region 发送网络请求---使用axios发送
        /* axios.get(`/api1/search/users2?q=${keyWord}`).then(
            response => {
                //请求成功后通知List更新状态
                PubSub.publish('atguigu',{isLoading:false,users:response.data.items})
            },
            error => {
                //请求失败后通知App更新状态
                PubSub.publish('atguigu',{isLoading:false,err:error.message})
            }
        ) */
        //#endregion

        //发送网络请求---使用fetch发送（未优化）
        /* fetch(`/api1/search/users2?q=${keyWord}`).then(
            response => {
                console.log('联系服务器成功了');
                return response.json()
            },
            error => {
                console.log('联系服务器失败了',error);
                return new Promise(()=>{})
            }
        ).then(
            response => {console.log('获取数据成功了',response);},
            error => {console.log('获取数据失败了',error);}
        ) */

        //发送网络请求---使用fetch发送（优化）
        try {
            const response = await fetch(`/api1/search/users2?q=${keyWord}`)
            const data = await response.json()
            console.log(data);
            PubSub.publish('atguigu', {isLoading: false, users: data.items})
        } catch (error) {
            console.log('请求出错', error);
            PubSub.publish('atguigu', {isLoading: false, err: error.message})
        }
    }

    render() {
        return (
            <section className="jumbotron">
                <h3 className="jumbotron-heading">搜索github用户</h3>
                <div>
                    <input ref={c => this.keyWordElement = c} type="text" placeholder="输入关键词点击搜索"/>&nbsp;
                    <button onClick={this.search}>搜索</button>
                </div>
            </section>
        )
    }
}

